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Welcome to Clay County ...

Time Zone: Clay County lies in the Central Time Zone (CST/CDT) and observes daylight saving time.

The community of Louisville is the Seat for Clay County.

Clay County was founded in 1824. Clay was created by taking area from Wayne, Lawrence, Fayette and Crawford Counties.

From the Census Estimates for 2019, <1> Clay had a population of 13,177 people. This is a decrease of 4.62% since the last Census (which gave a population of 13,815 people in 2010).

At the time of the 2010 Census, Clay represented 0.11% of the total population of Illinois.

Below are some of the communities located in Clay County:

  • Clay City
    (7 miles [11.3 km] to the southeast)
  • Flora
    (4 miles [6.4 km] to the south)
    • Jump to our Gazetteer entry for Flora
    • Flora is located in Clay County (IL)
    • Population from the 2020 Census: 4,831 people
    • Jump to TripAdvisor's Tourism page for Flora <2>
  • Iola
    (10 miles [16.1 km] to the northwest)
    • Note: The GPS coordinates that we are using for Iola have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Iola
    • Iola is located in Clay County (IL)
    • Population from the 2020 Census: 134 people
    • Jump to TripAdvisor's Tourism page for Iola <2>
  • Louisville
    (2 miles [3.2 km] to the northwest)
    • Note: The GPS coordinates that we are using for Louisville have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Louisville
    • Louisville is located in Clay County (IL)
    • Population from the 2020 Census: 1,087 people
    • Jump to TripAdvisor's Tourism page for Louisville <2>
  • Sailor Springs
    (6 miles [9.7 km] to the east)
    • Note: The GPS coordinates that we are using for Sailor Springs have been provided by the GNIS.<3> The coordinates still need to be verified.
    • Jump to our Gazetteer entry for Sailor Springs
    • Sailor Springs is located in Clay County (IL)
    • Population from the 2020 Census: 91 people
    • Jump to TripAdvisor's Tourism page for Sailor Springs <2>
  • Xenia
    (11 miles [17.7 km] to the southwest)
    • Jump to our Gazetteer entry for Xenia
    • Xenia is located in Clay County (IL)
    • Population from the 2020 Census: 371 people
    • Jump to TripAdvisor's Tourism page for Xenia <2>

Websites of Interest ...

Footnotes ...

<1>On a yearly basis, the US Census Bureau creates an estimate of the county's population. Keep in mind that this is an estimate and not an actual count. The last physical count was the 2010 Census and the next count will be for the 2020 Census.
<2>While we're fans and frequent users of TripAdvisor, you should know that we're also members of the TripAdvisor affiliate program.
<3>The location has been supplied by the Geographic Names Information System - which is maintained by the U.S. Geological Survey (USGS). While these values should be definitive, we found that accuracy can vary and you should double-check the location if accuracy is required.
 

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This page was last modified/updated: 26 Feb 2024